Spinalis Cervicis

Original Editor Oyemi Sillo

Lead Editors - Oyemi Sillo  

Description

Spinalis Cervicis belongs to the medial column of the Sacrospinalis group of muscles.[1] 


Origin

Lower part of ligamentum nuchae (C4 to C6) and spinous process of C7 to T2.[2][3]   


Insertion

Spinous processes of C2 and sometimes the 3rd and 4th cervical spinous process.[3]   


Nerve Supply

Dorsal rami of cervical and thoracic spinal nerves (C4 to T1).[2]   


Blood Supply

Dorsal branches of the posterior intercostal arteries from the thoracic aorta.[2] 


Action

Bilaterally they extend the spine; unilaterally they laterally flex and rotate the spine tp same side.[3]


Function


Recent Related Research (from Pubmed)


References

  1. Gray, Henry. Anatomy of the Human Body. Philadelphia: Lea & Febiger, 1918; Bartleby.com, 2000. www.bartleby.com/107/.
  2. 2.0 2.1 2.2 http://www.anatomyexpert.com/structure_detail/5219/
  3. 3.0 3.1 3.2 http://www.wheelessonline.com/ortho/spinalis_cervicis_1